ASNA0079 at a glance
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Specification
| Item | Value |
|---|---|
| Type | Blind fastener |
| Status | Cross-only card: the partner numbers, evidence ranked, and no sizes. It does not decode: the digits after the first have no single rule. |
Part numbers
Numbers seen in the cross data. Sizes are not shown where no source states their unit.
not decoded6 part numbers
| Part no. |
|---|
| ASNA0079-411A |
| ASNA0079-413A |
| ASNA0079-520ALC |
| ASNA0079-613A |
| ASNA0079-613ALC |
| ASNA0079-621A |
Part number
How to read it
| Segment | Reads as ASNA0079-411A |
|---|---|
| ASNA0079 Standard | Blind fastener paired with NAS1721 / AS64400 / AGS4720.Unit of the code: None: the number of the standardFrom: The standard |
| 4 Diameter | Same diameter digit as its NAS partner; the unit is not given by the standard, so it is not converted here: read the size on the partner's own sheet.Unit of the code: Pairs with the NAS partner's digit (unit not given by the standard)From: Not given by the standard: read through the NAS partner |
| 11 Digits | Not decoded: 0079-411A pairs with grip 4, 413A with 5, 613A with 4, 621A with 8.Unit of the code: not given by the standardFrom: Not decoded: the digits do not follow one rule |
| A Letters | A with NAS1721 H; C with NAS1720 C..W; D with ..P; LC/DLC with L in the NAS number.Unit of the code: Letter, no unitFrom: Pairing with the NAS partner, as seen in the cross data |
Worked example. ASNA0079-411A reads: ASNA0079 blind fastener · 4 NAS partner digit · 11 not decoded · A pairing letters.
From a measured hole or stack to the code
- Hole and stack. The first digit pairs with the NAS partner's diameter digit and the grip is not decoded (not given by the standard): take hole and stack from the partner's own sheet.
If a segment is missing
- Without the standard number the codes cannot be read.
- The digits after the diameter are not decoded: these numbers are not sized beyond the diameter.
What each code means
| Part | Meaning |
|---|---|
| Format | ASNA0079-<dash> |
| Example | ASNA0079-411A — not decoded |
Notes
- Part number: ASNA0079, a dash, three digits and letters. The first digit equals the NAS partner's diameter digit (4, 5, 6 = n/32 in, our reading).
- The next two digits are not decodable: for example 411A pairs with grip 4, 413A with 5, 613A with 4 and 621A with 8. They are shown undecoded on purpose.
- No sizes are given for these numbers: only the cross-reference is shown.
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Sources
- ASNA0079 standard (ASNA series) — Codes, tables, tooling and inspection limits transcribed into the reference data of The Aviation Point. The text of the standard is not reproduced. Check the issue in force before design use.
- US federal item records (NSN) and distributor listings — Partner numbers. The evidence is named on each cross line: federal NSN record, manufacturer catalogue, or distributor listing (alternate, not identical).
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.