4.6.1
Fasteners shall be handled, packaged, and stored in a manner designed to prevent damage. This will include environmental controls for temperature, humidity, and contamination.
4.6.2
Fasteners shall be handled, packaged, and stored in a manner designed to prevent commingling of lots.
4.6.3
Fasteners shall be stored in a controlled access area until issued for use.
4.6.4
Fastener documentation shall be controlled. Note: it is recommended that external packaging marking includes part number, lot number, and supplier name.
| Quality Controls | Quality Controls.1 | Quality Control Level | Quality Control Level | Quality Control Level | Quality Control Level | Quality Control Level | Quality Control Level |
|---|---|---|---|---|---|---|---|
| Level I | Level II | Level II | Level II | Level II | Level III | ||
| Procurement Provisions | Supplier Qualification | Qualified | Qualified | Qualified | Nonqualified | Nonqualified | Qualified or Nonqualified |
| Procurement Provisions | Traceability Level | Complete | Complete | Incomplete | Complete | Incomplete | Complete or Incomplete |
| Procurement Provisions | CoC | Required | Required | Required | Required | Required | Required |
| Procurement Provisions | MTR | Required | Required | Required | Required2 | Required2 | Optional |
| Receiving Inspection | Dimensional Inspection1 | System 22 100% | System 212 Sample Size C | System 212 Sample Size B | System Sample Size B | System 212 Sample Size A | System 212 Sample Size B |
| Receiving Inspection | Visual Inspection for Finish | Sample Size B | Sample Size C | Sample Size B | Sample Size B | Sample Size A | Sample Size B |
| Receiving Inspection | Visual Inspection for Uniformity | 100% | 100% | 100% | 100% | 100% | 100% |
| Receiving Inspection | Chemical Analysis | Optional | Optional | Sample Size C | Sample Size B | Sample Size A3 | Optional |
| Receiving Inspection | Tensile Testing4,5 | Optional | Optional | Sample Size C | Sample Size B | Sample Size A | Optional |
- 1: Dimensional inspection is only applicable to threaded fasteners.
- 2: System 22 may be performed as a substitute for System 21 per ASME B1.3-2007, using the same sample size.
- 3: Chemical analysis must be performed using a quantitative method (Section 4.5.6.2)
- 4: Tensile testing is only applicable to threaded bolts, screws, nuts, and nutplates
- 5: Fasteners smaller than #10 or shorter than 2 times the diameter may not be capable of meeting this requirement.
Table 2: Sampling Size and Acceptance Criteria
Note: Receiving inspection sample size and acceptance criteria are designed to meet/exceed ASTM F1470− 19, Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection.
| Lot Size | A | B | C | Acceptance Criteria |
|---|---|---|---|---|
| 1-2 | 2 | 1 | 1 | 0 failures |
| 3-15 | 3 | 2 | 2 | 0 failures |
| 16-25 | 4 | 3 | 2 | 0 failures |
| 26-50 | 5 | 4 | 2 | 0 failures |
| 51-90 | 6 | 5 | 2 | 0 failures |
| 91-150 | 7 | 6 | 2 | 0 failures |
| 151-280 | 10 | 7 | 2 | 0 failures |
| 281-500 | 11 | 9 | 3 | 0 failures |
| 501-1200 | 15 | 11 | 3 | 0 failures |
| 1201-3200 | 18 | 13 | 3 | 0 failures |
| 3201-10,000 | 22 | 15 | 4 | 0 failures |
| 10,001-35,000 | 29 | 15 | 4 | 0 failures |
| 35,001-150,000 | 29 | 15 | 5 | 0 failures |
| 150,001-500,000 | 29 | 15 | 6 | 0 failures |
| 500,001+ | 29 | 15 | 7 | 0 failures |